author = { Grullon, Gustavo AND Larkin, Yelena AND Michaely, Roni },

title = { Are U.S. industries becoming more concentrated? },

publisher = {Swiss Finance Institute},

keywords = { Graue Literatur },

year = {2019},

booktitle = {Research paper series / Swiss Finance Institute ; no 19, 41},

address = { Geneva },

url = { http://slubdd.de/katalog?TN_libero_mab2 }